Harald Hoyer
a854caaf19
Temporary upgrade script following the official NixOS procedure. Run `upgrade-pg-cluster --jobs 4 --link` on the server, then switch the package to postgresql_16 and remove the script. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
40 lines
1.1 KiB
Nix
40 lines
1.1 KiB
Nix
{
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pkgs,
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lib,
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config,
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...
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}:
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{
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services.postgresql = {
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package = pkgs.postgresql_14;
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};
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# Temporary: upgrade script for PostgreSQL 14 → 16 migration.
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# After upgrading, change package above to postgresql_16 and remove this block.
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environment.systemPackages = [
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(
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let
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newPostgres = pkgs.postgresql_16;
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cfg = config.services.postgresql;
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in
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pkgs.writeScriptBin "upgrade-pg-cluster" ''
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set -eux
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systemctl stop postgresql
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export NEWDATA="/var/lib/postgresql/${newPostgres.psqlSchema}"
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export NEWBIN="${newPostgres}/bin"
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export OLDDATA="${cfg.dataDir}"
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export OLDBIN="${cfg.finalPackage}/bin"
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install -d -m 0700 -o postgres -g postgres "$NEWDATA"
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cd "$NEWDATA"
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sudo -u postgres "$NEWBIN/initdb" -D "$NEWDATA" ${lib.escapeShellArgs cfg.initdbArgs}
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sudo -u postgres "$NEWBIN/pg_upgrade" \
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--old-datadir "$OLDDATA" --new-datadir "$NEWDATA" \
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--old-bindir "$OLDBIN" --new-bindir "$NEWBIN" \
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"$@"
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''
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)
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];
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}
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